Home / 54,398.14-81,519.45-30,976.18

Finding the Fourth Proportional to 54,398.14, 81,519.45 and 30,976.18

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Solution

The fourth proportional to 54,398.14, 81,519.45 and 30,976.18 is: 46,419.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,398.14 : 81,519.45 = 30,976.18 : x
  2. Step 2: Convert to fraction form
    54,398.14/81,519.45 = 30,976.18/x
  3. Step 3: Cross multiply
    54,398.14x = 81,519.45 × 30,976.18
  4. Step 4: Simplify right side
    54,398.14x = 2,525,161,156.70
  5. Step 5: Solve for x
    x = 2,525,161,156.70/54,398.14
  6. Step 6: Final answer
    x = 46,419.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.